EP0772173B1 - Informationsnavigationsgerät basierend auf einer Struktur-konfigurierten Karte - Google Patents

Informationsnavigationsgerät basierend auf einer Struktur-konfigurierten Karte Download PDF

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Publication number
EP0772173B1
EP0772173B1 EP96117443A EP96117443A EP0772173B1 EP 0772173 B1 EP0772173 B1 EP 0772173B1 EP 96117443 A EP96117443 A EP 96117443A EP 96117443 A EP96117443 A EP 96117443A EP 0772173 B1 EP0772173 B1 EP 0772173B1
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EP
European Patent Office
Prior art keywords
information
target point
configuration map
displayed
map
Prior art date
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Expired - Lifetime
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EP96117443A
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English (en)
French (fr)
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EP0772173A1 (de
Inventor
Mitsuhiro Nimura
Seiji Hayashi
Yasunobu Ito
Keizo Inoue
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
    • G01C21/3682—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities output of POI information on a road map
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/0969—Systems involving transmission of navigation instructions to the vehicle having a display in the form of a map

Definitions

  • the present invention relates to an information guidance system for setting a desired target point (destination) based on a structure configuration map indicating configuration of structures according to rows of coordinates, and in particular, to an information guidance system based on a structure configuration map, by which it is possible to identify a target facility by changing display form of a preset structure, to facilitate setting of a target point or to display the target point with emphasis.
  • marks such as a flag or a circle are used to indicate a target facility and to provide guidance.
  • the Sunshine Building might be set as a target point by inputting name, telephone number, etc. Then, a map of the vicinity of the building would be displayed, with a flag or a circle indicating that the Sunshine Building is the target point. A route to reach the target point is searched, and navigation guidance is provided along the suggested route.
  • a target point is identified on a display by a unified mark such as a flag or circle, the user is not advised as to the nature or type of facility of the target point.
  • a map of the vicinity of the thereby identified target point is displayed. Then, an optimal route is searched, and navigation guidance is provided along the suggested route. If the user already knows the telephone number or address, it is relatively easy to input the telephone number or address by manual operation, but if the user has no knowledge of such data, it is necessary to refer to a telephone directory or other reference, and it is not very easy to learn and input such data.
  • a map screen is displayed, and the target point is set by input through the display screen to identify a point on the displayed map.
  • the target point is set by input through the display screen to identify a point on the displayed map.
  • Document EP. 0 579 451 discloses a navigation system whereby simulations of how buildings could look are displayed.
  • the system provides information based on structure configuration map information stored in storage means.
  • Prestored information includes the structure configuration map information, information on target points, and display form change data.
  • the system further includes structure configuration map display control means for depicting and displaying a configuration map, searching and guidance processing means for searching and providing guidance to a structure at a target point, and display form change control means for reading display form change data in said storage means according to the structure information for the target point searched by the searching and guidance processing means and for displaying a changed display form for the target point.
  • the structure configuration map information prestored in the storage means includes coordinate data for the configuration of each structure and facility and other information relating to the various structures and facilities.
  • the structure configuration map display control means depicts and displays a structure configuration map based on structure configuration map information retrieved from storage.
  • the system of the present invention further includes input/output control means for controlling input/output of information to and from an external electronic device, searching means for searching for a specified point, e.g. target point, in the structure configuration map information, based on the information input from an external electronic device or from other externally input information, and notifying means for communicating to the user information input from outside or information pertaining to the target point.
  • searching means for searching for a specified point, e.g. target point, in the structure configuration map information, based on the information input from an external electronic device or from other externally input information, and notifying means for communicating to the user information input from outside or information pertaining to the target point.
  • operating means for setting a target point
  • detecting means for detecting coordinates for the site identified by use of the operating means
  • searching means for searching to identify a structure associated with the coordinates of the operating site detected by the detecting means, whereby the structure configuration map display control means displays with emphasis on the identified structure and/or information relating to the identified structure on the map.
  • Fig. 1 shows a storage unit 100, which stores structure configuration map data 100a for depicting and displaying the so-called structure configuration such as architecture (detached homes, office buildings, condominiums, fire stations, department stores, hospitals, stations, etc.), facilities (towers, parks, amusement parks, sports grounds, etc.), bridges, roads, and display form change data 100b for changing the display form of a target point and for making it more easily recognizable. Further, road map data, housing map data, etc., may be stored.
  • the structure configuration map data 100a contains rows of coordinates including a plurality of coordinate values for depicting and displaying configuration, name and address of the structures, various types of information relating to the structures, e.g.
  • the display form change data 100b is the data for changing the display form depending upon type, area, etc., of private housing, facilities, etc., apartments, of the building when a target point is set on a map, and it comprises different marks for each type of structure and area of the structure, and 3-dimensional graphical data.
  • a central processing unit 200 reads data for a structure configuration map to be displayed from the storage unit 100 and depicts and displays a configuration map of structures based on rows of coordinates, type and height of the structures and other detailed information, (scale of arrangement).
  • the display form change data is read from the storage unit 100.
  • the display form of the selected structure is changed and displayed with emphasis, or information relating to the structure or information on the vicinity of the selected structure is searched and output, or, in the alternative, a configuration map for the vicinity of the structure is displayed based on the information relating to the structure.
  • the configuration display processing unit 200a draws a housing map based on type, height and scale of the structure and depicts and displays names of major configurations on the configuration map.
  • the display form change display processing unit 200b selects and displays a mark depending upon the type, area, etc., of the structure and processes and displays a simulated 3-dimensional display.
  • the searching and guidance processing unit 200c searches for and outputs various types of information relating to the structure, e.g. list of names of companies, offices, stores, etc., in the building, telephone numbers and similar information for the vicinity of the structure, or searches to identify and characterize the selected structure based on telephone number or name and provides guidance on the configuration map.
  • the output unit 300 includes a display unit for displaying a structure configuration map and/or guidance information, a printer, etc.
  • the input instruction unit 400 inputs selection of and instruction for, within the area of the selected structure on the map, searching of guidance information and vicinity information, and output range (area) of the structure configuration map.
  • a printing device, remote controller, etc. such as a touch panel, joystick, mouse, etc., may be combined with the display screen of the output unit 300.
  • Step S1 when the structure configuration map is selected (Step S1) with the road map displayed in the selected scale as shown in Fig. 2, display processing of the configuration map is first executed (Step S2), and the name of the structure is displayed on the configuration map screen (Step S3). Then, for information relating to the structure, e.g. if it is a building, tenants of the building such as stores, offices, etc., name and type of business, details of business activities, telephone number, etc., of the tenants, searching and guidance processing is performed based on the structure configuration map (Step S5).
  • the configuration of the structure is planar in the case of general housing, building or other architecture, and is planar topography if it is a park or a road.
  • the data structure of the data for the structure configuration map stored in the map data storage unit 110 includes data for each of "N" structures which is stored after the ID No. "N" of the structure as shown in Fig. 3 (A).
  • the data for each structure comprises the name of the structure, street number (address), type, shape, height and other details.
  • the name is the name of building if it is a building. If it is a private house, the name is the name of the resident. If it is a facility, it is the name of the facility. If it is a road, it is type of road and the name of the road such as "Central Street", "National Highway No. 1".
  • the street number (address) is the street number of that structure.
  • Configuration of structure is number of coordinates (n) used to indicate configuration, and the coordinate values (x 0 , y 0 ), (x 1 , Y 1 ),... (X n-1 , Y n-1 ).
  • the type of structure means information such as detached homes, condominiums, office buildings, public facilities, roads, parks, etc.
  • the height may be given as either the number of floors (stories) or as the height of the building, e.g. in meters.
  • the "details" are information relating to each resident if it is a tenant building, for example, information relating to the number (m) of tenants, tenant names, telephone numbers, room numbers, classification (type of business, details of business activities such as restaurant, convenience store,). Therefore, as shown in Fig.
  • a planar shape can be shown for a building or house or for the topographical shape of a park and output by reading coordinate values in succession as the information relating to configuration of the structure and by connecting the read (retrieved) coordinates by lines and then displaying the connected configuration.
  • the subroutine for changing the display form of the target point is shown in Fig. 4.
  • the data for a structure configuration map is designed with rows of coordinates stored as configuration data.
  • the map coordinates in a row are read in succession and are then connected by lines and displayed.
  • a road map as shown in Fig. 5(a) would be displayed as a structure configuration map, as shown in Fig. 5(b).
  • the data for a structure configuration map is not necessarily retrieved for all areas. For this reason, when the target point is input using coordinates and telephone number, the input coordinates (x, y) are searched, and it is determined whether or not the input coordinates are present within the scope (area) covered by the structure configuration map (Steps S11 - S13). If the coordinates are within the scope of the structure configuration map, the structure configuration map is displayed (Step S14). If not, a conventional road map is displayed (Step S15). Then, the cursor is moved on the screen, and when cursor stops, position of that point is detected and set as a target point (S16 - S19).
  • step S15 In the case where a structure configuration map is displayed, configuration of the structure corresponding to the inputted coordinates (x, y) is searched. The type of configuration and area of the searched structure (S20 - S21) is judged and display form is determined (S22). In the case where a conventional road map is displayed (step S15), the display form is determined after the target point has been set.
  • Figs. 6 and 7 show examples of (marks) for display of various structures on a structure configuration map.
  • Fig. 6 represents an example of a mark selecting condition table.
  • the marks Nos. "a” to “d” correspond to numbers of floors of 1 , 2, 3 to 5 and 6 floors or more, respectively.
  • Marks Nos. "a” to “d” correspond to personal names, telephone numbers, etc., number of names being 0 to 1, 2, 3 to 10, 11 or more.
  • Marks Nos. "a” to “e” correspond to areas (m 2 ) of 0 to 150, 151 to 250, 251 to 600, 601 to 1200, and 1201 or more, respectively.
  • Marks Nos. "a” to "e” are registered, for example, in a mark table as shown in Fig. 7, and represent, respectively, a single story private home, two-storied private home, an apartment building, a condominium, and a villa, respectively.
  • the type of the searched structure is judged, and if the number of floors is 3 to 5 floors, for example, Mark No. "c" is selected from the condition table of Fig. 7. Then, referring to the mark table of Fig. 7, the mark indicating an apartment building is accessed and displayed. Also, if the number of names of the searched structure is 11 or more, Mark No. "d” is found on the mark selecting condition table, and the mark indicating a condominium is selected and displayed. If area of the searched structure is 1201 m 2 or more, Mark No. "e” is located in the mark selecting condition table, and the mark indicating a villa is selected and displayed.
  • the display shows only the topographical (land) features such as roads, rivers, railroads, etc., and the target point.
  • the target point is displayed with emphasis. Because roads, rivers, railroads, etc., are displayed, the position of the target point can be related to such features and distinctly identified.
  • the target structure When the position of the cursor is detected and the target point is set, the indicated structure is searched. In place of a planar block representing the structure, a 3-dimensional mark selected by the central processing unit is displayed. Thus, the target structure can be more easily recognized by displaying it as it is really built.
  • the marks are not limited to those shown in Fig. 7.
  • the target structure may be displayed in a simulated 3-dimensional depiction to make it more easily recognizable.
  • the display form of the facility is changed to match information for the structure so that the user can easily recognize the facility. If the display form is changed in the area of the facility so as to provide structure information, it is possible to know the size of the facility, and to more easily recognize the actual facility. By changing the display form to match the type of structure, it is easier to characterize the target facility, and it is possible to provide more reliable guidance to the target point. Because several types of marks are prestored as different display forms and one of these stored marks is selected and displayed depending upon type and area of structure, the process of changing the display form is simplified. As another display form, a simulated 3-dimensional display may be provided after deciding the display form so that the target point is shown in relief. If all structural representation (marks) are erased except that for the selected target, it is possible to more effectively identify the target.
  • marks structural representation
  • Fig. 9 shows a second embodiment having a basic arrangement the same as in Fig. 1, except that the central processing unit 200 further includes a name display processing unit 200b' and an input/output control unit 200d, and that a portable type electronic device S00 is connected to the central processing unit 200.
  • the name display processing unit 200b' depicts and displays names of major objects on the configuration map displayed by the configuration display processing unit 200a.
  • the input/output control unit 200d controls exchange of data between the central processing unit 200 and the portable electronic device 500 (personal computer, note type electronic device, etc.) via an interface (not shown). For example, it controls transfer of information such as telephone number lists, address lists, map of the vicinity of the destination and information relating to points such as facilities for storage in the storage unit 100, and transfer of information stored in the storage unit 100 to the portable electronic device. Therefore, it is possible, for example, to input a simple map of the vicinity of the destination through the portable type electronic device, and to use the central processing unit to search for the desired point on the structure configuration map based on the feature of the inputted map, in particular, the facilities near the destination, road configuration, names of places etc., and to provide guidance on a map including the desired (target) point.
  • the structure configuration map is depicted and displayed by reading rows of coordinates stored as configuration data and by connecting them by lines.
  • structure configuration is added and displayed as shown in Fig. 5(b).
  • the target point can be input by moving the cursor KL to the desired point as shown in Fig. 8 and by clicking it.
  • a target point input screen is first displayed (S31). On this target point input screen, a menu of input items such as telephone number, address, golf link, and other facilities is displayed as shown in Fig. 11 (a). If “telephone number” is selected, a telephone number input screen appears as shown in Fig. 11(b). If “address” is selected, an address input screen appears as shown in Fig. 11(c). Fig. 11(c) shows, by way of example, input of the address "Aichi Prefecture, Anjo City," In practice, however, the screen is scrolled, and each part of the address is separately and consecutively selected and input "Aichi Prefecture", "Anjo City", etc.
  • Step S32 it is judged whether or not there is external input. Specifically, in the case where target point information is input from the portable electronic device 500, as explained in connection with Fig. 9, the input point is searched (S34). If there is no external input, it is judged whether or not input has been made by manual operation (S33). If there has been input by manual operation, the inputted point is searched in the same manner. In case target point information is input in advance to the storage unit 100 by the portable electronic device 500, the data is read by manual operation and is input. Next, it is judged whether or not a structure configuration map is available for the desired (target) point (S35). If available, a structure configuration map of the vicinity of the desired point is displayed (S36). If not, a conventional road map of the vicinity of the desired point is displayed (S37).
  • input may be of a simplified map in the case of external input.
  • a simplified map of the vicinity of the destination may be input through the portable electronic device, and the features of the inputted map, in particular, the target point, based on the facilities, road configuration and place names in the vicinity of the destination on the structure configuration map, is searched, and guidance may be provided by a map which indicates the point located by the search.
  • a map may be input by reading by means of a scanner, instead of input through a portable electronic device.
  • the central processing unit may be designed to search for information related to the target point, (such as facility) identified by external input, in the detailed information stored in the form of the structure configuration map, and the results of the search may be output to the portable electronic device.
  • information in addition to that stored in the form of the structure configuration map may be input from an external source and stored in the storage unit, and this additional data may be searched as necessary.
  • the information pertaining to the target point input from an external source e.g. in case of a building, structure, the information such as name, telephone number, address, business hours, etc., may be output from a navigation system to the external unit 500 and there utilized.
  • Fig. 12 illustrates processing of information for target point and transfer to an external terminal.
  • the target point is selected, and if there is any information to be acquired in relation to this point, when this point is established (S42 - S43), detailed information as shown in Fig. 3, e.g. name, telephone number, address, business hour, etc., is output to the external terminal (step S44).
  • the navigation system As described above, it is possible according to the present invention to connect the navigation system with a memory where information from a personal computer, note type electronic device, etc., is stored.
  • a memory where information from a personal computer, note type electronic device, etc.
  • the user By transferring telephone numbers and addresses stored in external memory to the navigation system, the user has no need to repeatedly input data for each target point input. This facilitates the input operation and improves the versatility of the system.
  • the information stored in the system can be transferred to the memory of an external electronic device, information can be exchanged to and from the external storage unit, and the information stored both in the navigation system and in the external electronic device can be more effectively utilized. Additional information pertaining to the target point and registration of target point, by transferring information for the target point stored in the external electronic device is easily accomplished.
  • Fig. 13 shows another embodiment wherein the basic arrangement is the same as in Fig. 1.
  • the central processing unit 200 includes a name display processing unit 200b' instead of the display form change processing unit 200b.
  • the name display processing unit 200b' is the same as in the embodiment of Fig. 9, and it depicts and displays the names of major features on the configuration map displayed by the configuration display processing unit 200a.
  • Fig. 14 and Fig. 15. as described above, rows of coordinates stored as configuration data are read in succession and then connected by lines to display a map as shown in Fig. 5.
  • the road map shown in Fig. 5(a) is then converted to a structure configuration map as shown in Fig. 5(b) and displayed.
  • the desired structure is displayed with emphasis.
  • the structure may be provided with diagonal lines or it may be indicated by thick lines or may be colored.
  • information pertaining to the structure such as name and address may be displayed.
  • the coordinates (x, y) corresponding to the position of the cursor are detected (S51 in Fig. 14), and it is determined whether or not the cursor is moving, and when the cursor stops, the structure including the position of the cursor is searched in the structure data as exemplified in Fig. 3 (S52 -S53)
  • a point P' (x, y') is assumed, which point has sufficiently high y' value and is considered to be above all of the points a 0 , a 1 , a 2 ,... a n with respect to the polygon K and the point P, and it is supposed that a line segment connecting P with P' is L (P, P').
  • a line segment is drawn extending from the position of the cursor through the contour of a structure, and by determining the number of crossing points of the contour and the line segment, it is judged whether or not the cursor is within the scope of a given structure. If it is judged that it is included, the contour of the applicable structure is displayed with emphasis, i.e. with thick lines (S54), and information such as name, address, etc., of the structure is displayed (S55).
  • the display with emphasis is not limited to a display with thick lines, and the structure may be displayed in color or may be provided with diagonal lines as already explained.
  • cursor position is detected and the applicable structure is displayed with emphasis and, at the same time, information relating to the structure is communicated to the user.
  • the present invention is not so limited. Specifically, it suffices that the structure can be specified with respect to the position of the cursor. This objective can be attained with only the structure emphasized by the display or with only communication of information relating to the structure. Accordingly, a display with only emphasis of the structure or only the information relating to the structure may be provided.
  • the configuration of the structure including the cursor position is searched and the structure is displayed with emphasis and/or information relating to the structure is communicated.
  • the position of the cursor is searched and configuration of the structure existing at this position is determined.
  • the contour (border) of the structure for example, can be displayed with emphasis or the structure can be displayed in color, and information relating to the structure such as name, address, etc., of the target point is displayed.
  • Fig. 16 is a flow chart of a routine for searching and guidance based on the structure configuration map.
  • Fig. 17 shows an example of a screen showing a menu for a structure which has been selected from the structure configuration map
  • Fig. 18 represents an example of an information menu display screen
  • Fig. 19 shows an example of a guidance screen displaying information based on the structure configuration map
  • Fig. 20 shows an example of a menu display screen for searching for information relating to the vicinity of the selected structure
  • Fig. 21 represents an example of a category menu screen.
  • the structure configuration map displayed as described above it is possible not only to search the structure but also information relating to its vicinity based on the data organized as illustrated in Fig. 3, and further, to provide information pertaining to the structure itself.
  • a cursor having a cross in a circle is displayed at the center of the structure as shown in Fig. 17.
  • an instruction to select the structure is input using the input instruction means, and the user waits until the structure is selected as shown in Fig. 16 (Step S61).
  • various search options such as destination or transit point, memory information, vicinity information searching, etc., are displayed in a menu (S62).
  • the destination or transit point and memory are used for setting the target point for searching a route when the system of the present invention is incorporated into a navigation system for a vehicle as described later.
  • step S63 it is determined if the selection key indicates a request for information pertaining to the selected structure or vicinity information.
  • selection of structure information ("Information") from the menu shown in Fig. 17, the number of names and each name included in the detailed information for the applicable structure are read (see Fig. 3A).
  • a list of the names is prepared in the order of Japanese syllabary, and the list is displayed as a menu as shown in Fig. 18 (Step S64).
  • a name (item) in the menu list e.g. Aiue Co., Ltd., as shown in Fig.
  • Step S65 street number (address), the selected name, telephone number, classification, etc., are read from the data for the structure, and name, telephone number and address of Aiue Co., Ltd. are displayed as shown in Fig. 19 (Step S66)
  • the menu items such as return, destination, transit point and memory displayed on upper portion of the screen of Fig. 19 serve as operation keys. If one of these keys is selected, the processing (routine) indicated by the key is executed by interrupting the previous routine. In the case of an instruction other than the selection of a name from the menu of Fig. 18, the processing corresponding to the instruction is executed by interrupting the previous routine.
  • a category menu list (list of classification) such as "manufacture and sale of textile and woven goods", "dyeing and design of textile and woven goods”, etc., is displayed as a menu of the vicinity information as shown in Fig. 20 (Step S67).
  • Step S68 the selected item is searched from the detailed information data, and a distance to the selected structure is obtained (Step S69).
  • Step S70 the names of selected category items within the route over that distance are sorted in the order of shorter distance to longer distance, and the category with number of items therein, and the names of the category items and distances from the searched point are displayed as in Fig. 21 (Step S70).
  • Step S71 street number (address), the selected name, telephone number, classification, etc., are read from the structure data and displayed as in Fig. 19 (Step S72).
  • the structure configuration map for the vicinity of the structure is displayed.
  • the structure configuration map may be displayed by operation of another key not shown here or the map may be switched over to another map such as a road map.
  • the information guidance system based on a structure configuration map of the present invention When the information guidance system based on a structure configuration map of the present invention is utilized, information for companies, offices, stores, other agencies, etc., in the building and further, telephone numbers and other data for individual companies can be found from the structure configuration map. Then, companies, stores, agencies, etc., within a certain distance from the structure can be determined by search and listed, and the structure can be searched. Alternatively, the telephone number or name may be input, and by searching the name and the telephone number among the names and telephone numbers in the same map data or the detailed information shown in Fig. 3, the structure configuration map around the structure can be displayed. Therefore, if the user has a rough identification of the target structure such as name or classification and of its geographical location, but cannot find the structure itself, it is possible to locate the structure, e.g.
  • this embodiment is utilized to set the target point in a navigation system for a vehicle, it offers the advantage that a target point in an urban area can be easily set. Further, if a road segment is the specified target, and information as to presence or absence of parking meters is provided in storage as information relating to the specified road segment, parking information can be output.
  • Fig. 22 depicts a system including an embodiment of a navigation system for vehicles wherein information guidance is based on a structure configuration map according to the present invention.
  • the illustrated navigation system includes an input/output unit 1 for inputting and outputting information relating to route guidance, a present position detecting unit 2 for detecting information relating to the present position of the user's vehicle, an information storage unit 3 for recording navigation data for calculating a route, display/voice guidance data and programs (application and/or OS) necessary for route guidance, etc., and a central processing unit 4 for executing processing of display/audio guidance necessary for route searching or route guidance and for controlling the entire system.
  • an input/output unit 1 for inputting and outputting information relating to route guidance
  • a present position detecting unit 2 for detecting information relating to the present position of the user's vehicle
  • an information storage unit 3 for recording navigation data for calculating a route, display/voice guidance data and programs (application and/or OS) necessary for route guidance, etc.
  • a central processing unit 4 for
  • the input/output unit 1 gives navigation processing instruction to the central processing unit 4 in accordance with the intention of the driver of the vehicle so that the destination is input or guidance information can be output by voice and/or on screen when the driver needs such information, and prints out the data.
  • the input unit is provided with a touch switch 11 or an operation switch for inputting the destination using telephone number or coordinates on a map or for requesting route guidance.
  • an input unit such as remote controller may be used.
  • the output unit comprises a display 12 for displaying the input data on screen or for automatically displaying route guidance on screen at the request of the driver, a printer 13 for printing out the data processed by the central processing unit 4 and the data stored in the information storage unit 3, and a speaker 16 for outputting route guidance in voice form.
  • a voice recognizer for achieving voice input or a card reader for reading the data recorded on an IC card or a magnetic card.
  • a data communication unit may be added, by which it is possible to exchange information to and from an information center for accumulating the data necessary for navigation and for providing information via a communication line at the request of the driver and also to and from an information source, such as a note type electronic device wherein the data specific to the driver, including map data or destination data, are stored in advance.
  • the display 12 comprises a color CRT and a color liquid crystal display unit and displays in color all screens necessary for navigation such as a route setting screen, sector view screen, intersection view screen, etc., based on map data and guidance data processed by the central processing unit 4. At the same time, buttons for setting route guidance and for switching guidance and screens during route guidance are displayed on this screen. In particular, transit intersection information, such as transit intersection names, is displayed in pop-up color on the sector view screen when necessary.
  • the display 12 is installed on an instrument panel near the driver's seat, and the driver confirms the present position of the vehicle by watching the sector display and can obtain information on the route ahead.
  • the display 12 is provided with a touch switch 11 to correspond to the display of functional buttons. By touching the button, the above operation is carried out based on the input signal.
  • the input signal generating means comprising the buttons and the touch switch, constitutes the input unit, a detailed description of which is omitted here.
  • the present position detecting means 2 comprises a GPS receiver 21 for obtaining information using the present position satellite navigation system (global positioning system) of the vehicle, a VICS information receiver 22 for obtaining information by means of FM multiplex broadcasting, radio beacon, optical beacon, etc., a data transceiver 23 for two-way communication of information to and from an information center (such as ATIS) or other vehicles by means of portable telephone, personal computer, etc., an absolute heading sensor 24 for detecting the direction of advance of the vehicle as an absolute heading by utilizing geomagnetism, a relative heading sensor 25 for detecting the advancing direction of the vehicle by utilizing steering sensor or gyro sensor, and a distance sensor 26 for detecting driving distance of the vehicle from number of wheel revolutions, for example. It is used to transmit or receive information relating to the driving of the vehicle such as road information or traffic information, or to detect and/or transmit and/or receive information relating to the present position of the vehicle.
  • a GPS receiver 21 for obtaining information using the present position satellite navigation system (global
  • the information storage unit 3 is an external storage unit for storing programs and data for navigation, and it comprises a CD-ROM, for example.
  • the following programs and data are stored in unit 3: programs for executing routines such as route searching, automatic re-searching (vicinity route searching, all-route searching), etc., routines as shown in the flow charts of the present application, routines for executing the display output control necessary for route guidance and audio output control necessary for voice guidance, and the data necessary for execution of such routines, and display information data necessary for route guidance and map display.
  • the stored data includes files of map data, search data, guidance data, map matching data, destination data, registered point data, road data, data for each category, and all data necessary for operation of the navigation system. In the present invention, only the data are stored in CD-ROM, and the routines which operate on the data are stored in the central processing unit.
  • the central processing unit 4 includes a CPU 40 for executing various calculations, a flash memory 41 for reading and storing programs taken from the CD-ROM of the information storage unit 3 and for storing them, a ROM 42 for storing the programs for executing program check and updating of the flash memory 41 (program reading means) and a RAM 43 for temporarily storing the searched route guidance information such as coordinates of the preset destination, road name code number, etc., and/or the data used in arithmetic processing.
  • Unit 4 further includes an image memory 44, which stores image data used for screen display and an image processor 45 for picking up image data from the image memory 44 based on display output control signals from CPU 40 and for outputting the data to display after image processing.
  • a voice processor 46 synthesizes voice, e.g.
  • a communication interface 47 transmits and receives input/output data.
  • a sensor input interface 48 correlates sensor signals from of the present position detecting unit 2 with time data from a clock 49 for entering date and time for internal dialog information. Route guidance is provided both by screen display and by voice output, and the driver can select whether or not to have voice output.
  • a program for executing updating as described above may be stored in the external storage unit.
  • the programs relating to the previously described invention and programs for executing navigation may all be stored in CDROM, which serves as an external storage medium, or a part or all of these programs may be stored in ROM 42 on the main unit side.
  • the navigation system in accordance with the present invention is provided with a relatively large capacity flash memory 41 for reading programs from the CD-ROM of the external storage unit and with a small capacity ROM 42, which stores programs for rise-up processing of the CD (program reading means).
  • the flash memory 41 maintains stored information even when power is suspended, i.e. it is an involatile storage means.
  • a program of ROM 42 serving as program reading means, is started to check the programs stored in the flash memory 41, and disk control information for the CD-ROM of the information storage unit 3 is read.
  • the loading of the program (updating) is carried out on the basis of information in and the status of the flash memory 41.
  • the present invention is not limited to the above embodiments, and various changes and modifications can be made.
  • names of structures are mentioned, street names and/or district names may be included.
  • processing of all names is described, priority thereof may be displayed on a map in advance or information as to whether display is present or not may be set and may be attached to the name, and the name may be displayed based on such information.
  • processing may be executed as to only structures having greater than a predetermined number of named tenants or more than a predetermined height.
  • rows of coordinates (x, y) are described as the data for expressing structure configuration, but coordinate values (z) for height may be included to provide 3-dimensional coordinate data.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Navigation (AREA)
  • Instructional Devices (AREA)
  • Traffic Control Systems (AREA)

Claims (12)

  1. Führungssystem zum Bereitstellen von Führungsinformationen basierend auf einer Strukturkonfigurationskarte, mit:
    einer Speichereinrichtung (100) zum Speichern von Daten, die Strukturkonfigurationskarteninformationen (100a) aufweisen, die Koordinatenreihen für die Konfigurationen von Strukturen enthalten, die z.B. Gebäude und andere Einrichtungen sein können, und zum Speichern von mit den Strukturen in Beziehung stehenden Strukturinformationen;
    einer Strukturkonfigurationskartendisplaysteuerungseinrichtung zum Bezeichnen und Darstellen einer Strukturkonfigurationskarte basierend auf den in der Speichereinrichtung gespeicherten Strukturkonfigurationskarteriinformationen;
    einer Such- und Führungsverarbeitungseinrichtung (200c) zum Suchen und Bereitstellen einer Führung zu einer der Strukturen als ein Zielpunkt; und
    einer Darstellungsformänderungssteuerungseinrichtung (200a) zum Lesen von Daten von der Speichereinrichtung gemäß den mit dem Zielpunkt in Beziehung stehenden Strukturinformationen, zum Bestimmen einer Darstellungsform, die den Zielpunkt kennzeichnet und den Zielpunkt vom Rest der dargestellten Strukturkonfigurationskarte unterscheidet, und zum Ändern der dargestellten Strukturkonfigurationskarte zum Darstellen des Zielpunkts in der bestimmten Darstellungsform.
  2. Führungssystem nach Anspruch 1, wobei die bestimmte Darstellungsform eine Darstellung der Art und der Fläche der Struktur ist, die den Zielpunkt darstellt.
  3. Führungssystem nach Anspruch 1, wobei die bestimmte Darstellungsform eine simulierte dreidimensionale Darstellung der Struktur am Zielpunkt ist.
  4. Führungssystem nach Anspruch 1, 2 oder 3, wobei die Darstellungsformänderungssteuerungseinrichtung die Darstellung von von der Struktur des Zielpunkts verschiedenen Strukturen löscht.
  5. Führungssystem nach einem der Ansprüche 1, 2, 3 oder 4, ferner mit:
    einer Ein-/Ausgabesteuerungseinrichtung zum Steuern der Eingabe und Ausgabe von Informationen zu und von einer externen elektronischen Vorrichtung;
    einer Sucheinrichtung zum Suchen von Informationen, die von einer externen elektronischen Vorrichtung extern eingegeben werden; und
    einer Mitteilungseinrichtung zum Bereitstellen gesuchter und extern eingegebener Informationen für einen Benutzer.
  6. Führungssystem nach Anspruch 5, ferner mit:
    einer Decodiereinrichtung zum Decodieren von von einer externen elektronischen Vorrichtung extern zugeführten Informationen;
       wobei die Sucheinrichtung einen Zielpunkt in den in der Speichereinrichtung gespeicherten Strukturkonfigurationskarteninformationen basierend auf den durch die Decodiereinrichtung decodierten, extern eingegebenen Informationen sucht.
  7. Führungssystem nach einem der Ansprüche 1 bis 6, ferner mit:
    einer Funktionseinrichtung zum Auswählen eines Orts als Zielpunkt;
    einer Koordinatenerfassungseinrichtung zum Erfassen von Koordinaten, die durch den durch die Funktionseinrichtung ausgewählten Ort angezeigt werden; und
    einer Sucheinrichtung zum Suchen einer Struktur, die die durch die Koordinatenerfassungseinrichtung erfaßten Koordinaten enthält;
       wobei die Strukturkonfigurationskartendisplaysteuerungseinrichtung eine Darstellungsform für die Struktur bestimmt, die die erfaßten Koordinaten enthält.
  8. Führungssystem nach Anspruch 7, ferner mit einer Mitteilungseinrichtung zum Bereitstellen von mit der Struktur, die die erfaßten Koordinaten enthält, in Beziehung stehenden Informationen für einen Benutzer.
  9. Führungssystem nach Anspruch 7 oder 8, ferner mit einer Bewegungserfassungseinrichtung zum Erfassen der Geschwindigkeit der Funktionseinrichtung bezüglich der dargestellten Strukturkonfigurationskarte, wobei die Koordinatenerfassungseinrichtung nur dann aktiviert wird, wenn die erfaßte Geschwindigkeit niedriger ist als eine vorgegebene Geschwindigkeit.
  10. Führungssystem nach einem der Ansprüche 8 oder 9, wobei die Kontour der Struktur, die die durch die Sucheinrichtung gesuchten, erfaßten Koordinaten enthält, durch die Darstellungsformänderungssteuerungseinrichtung durch dicke Linien dargestellt wird, um sie hervorzuheben.
  11. Führungssystem nach einem der Ansprüche 7 bis 10, wobei die Struktur, die die erfaßten Koordinaten enthält, durch die Darstellungsformänderungssteuerungseinrichtung farbig dargestellt wird, um sie hervorzuheben.
  12. Führungssystem nach einem der Ansprüche 8 bis 11, wobei die mit der Struktur in Beziehung stehende Informationen den Namen und die Adresse der Struktur aufweisen.
EP96117443A 1995-10-31 1996-10-30 Informationsnavigationsgerät basierend auf einer Struktur-konfigurierten Karte Expired - Lifetime EP0772173B1 (de)

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KR970002802A (ko) 1997-01-28
EP0772173A1 (de) 1997-05-07
US5890088A (en) 1999-03-30
DE69621400D1 (de) 2002-07-04
US6041281A (en) 2000-03-21
DE69621400T2 (de) 2002-10-31
KR100235240B1 (ko) 1999-12-15

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